Which to use
“supporting” is an adjective and “supposing” is a verb - they look or sound alike but fill different roles in a sentence.
- #2,018
- “supporting” frequency rank
- #29,854
- “supposing” frequency rank
- 31872
- confusion score
Side-by-Side Comparison
| Feature | supporting | supposing |
|---|---|---|
| Definition | That supports. | present participle and gerund of suppose |
Where the eye mixes supporting and supposing
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.
Visual trap between supporting and supposing
These two trip readers on the page rather than in the ear: supporting is /səˈpɔɹtɪŋ/ while supposing is /səˈpoʊzɪŋ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 31872, derived from the frequency rank of both members and their visual similarity.
supporting is recorded at frequency rank #2,018, classified as anadj, pronounced /səˈpɔɹtɪŋ/. supposing is at rank #29,854, tagged as averb, pronounced /səˈpoʊzɪŋ/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 31872, this pair ranks #342,525 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of supporting vs supposing
Shared letters: ginopsu. Private to "supporting": rt. Private to "supposing": -.
"supporting" · 10 letters · shape CVCCVCCVCC · "supposing" · 9 letters · shape CVCCVCVCC
Known mistypes of this pair
- supporting ← spuporting · ssupporting · supoprting · suporting · supporitng · supporrting · supportign · supportingg
- supposing ← spuposing · ssupposing · supopsing · suposing · suppoisng · supposign · supposingg · supposinng
Frequently Asked Questions
Is swapping "supporting" for "supposing" ever safe?
Frequency check: "supporting" vs "supposing" - which ranks higher?
What to do next
Eye-level mix-up between "supporting" and "supposing" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "supporting" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "supposing" - compare definitions side by side with the headword page. Word entry
- This pair ranks #342,525 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "supporting" and "supposing" also get mixed up with nearby pairs, the highest-scored neighbour is "supplying vs supposing". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #342,525 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.